"My weight fluctuated a lot on that show," says Laura Prepon. "I had to have two wardrobes" Liz McNeil is an Editor at Large at PEOPLE, where she's worked for over 30 years. In her new guidebook ...

Laura Prepon and Ben Foster called it quits in 2024 but their divorce battle is just getting started. Since that initial filing, Foster and Prepon have gone back and forth via court documents.

In the pilot episode of That '90s Show, Kurtwood Smith's Red smugly tells Laura ... the same hair designer, the same costume ...